weathering                          :model file
2                                   :#interfaces in model
plotcolors                          :model colors file
m                                   :first plot descriptor (mwq)    ...SEE
dummywell                           :well coordinates                  FILE
s                                   :shooting mode (sd)               NOTES...
geometry13                          :receiver geometry              ..........
sg                                  :second plot descriptor (sgq)   ...THIS
t                                   :job descriptor (rlt)              DIRECTORY
demo14                              :output filename(s)
-40.   40.                          :range of takeoff angles 
0.5                                 :increment in takeoff angle
3280.   9840.  20000.               :velocities
n                                   :direct wave? (y or n)
1                                   :headwave interface numbers (1, 2, ...)
y                                   :primaries? (y or n)
2                                   :reflection from interface 2
